eas brother tamerlan is . his uncles are calling for him to turn hims in. >> if you are alive, turn yourself in and ask for forgiveness from the victims, from the injured, and forgiveness from these people. >> the net) the two man hours after the fbi -- the net closed around two man hours after the fbi released photos. 10:30, the brothers tried to rob a 7-eleven store near the massachusetts institute of technology. then news a police officer was attacked. sean collier,26 years old, was shot as he s in his car. he died soon after. the brothers hijacked a car, and the chase that followed ended in watertown, 10 miles from boston. on the usually quiet suburban street, there was a fierce firefight, captured on mobile phones. the police were taking no chances. the innocent owner of the hijacked car was for a time treated as a suspect. tamerlan tsarnaev was fatally wounded. he died in hospital. >> the closed in around one guy. they got in position. >> w >> they were screaming at him. they all had their guns out. he w